Madest (εποιησας). First aorist active indicative of ποιεω, a prophetic use anticipating the final result.

A kingdom and priests (βασιλειαν κα ιερεις). As the correct text in Revelation 1:6.

They reign (βασιλευουσιν). Present active indicative, futuristic use, though Aleph P have the future βασιλευσουσιν (shall reign) as in Revelation 20:6.